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Round|Lab Grown|IGI

3.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG760523984

Shape and cutting style on the report: Round brilliant

Certificate IGI LG760523984

Diamond specifications and retailer prices

From $752 NZD
$424 USD
As of October 29, 2026
Save $3,666 NZD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,418 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.5ct lab-grown round diamond

This 3.5ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG760523984 or 760523984. Listed at 15 retailers as of October 29, 2026, with prices from $752 to $4,418, a $3,666 spread on the same certified stone. Brilliant Earth lists it at $4,418. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760523984
Dimensions9.88 × 9.94 × 5.77 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.88 mm9.94 mm3.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760523984
Side View
Table 61.0%Crown 33.4°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 58.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,418 NZD|Low: $537 NZD|High: $4,542 NZD|Avg: $1,835 NZD|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3$537 NZD
Retailer 8$752 NZD
Retailer 11$843 NZD
Retailer 6$1,189 NZD
Retailer 5$1,462 NZD
Retailer 9$1,469 NZD
Retailer 2$1,534 NZD
Retailer 10$1,634 NZD
Retailer 7$2,259 NZD
Retailer 4$3,448 NZD
Brilliant Earth$4,418 NZD

41 data points across 11 retailers

15 retailers$752 NZD to $4,418 NZD

A
Cheapest Retailer
-
$752 NZD
$424 USD
A
Retailer 2
-
$843 NZD
$475 USD
View
Final sale: no returns
A
Retailer 3
-
$843 NZD
$475 USD
View
A
Retailer 4
-
$933 NZD
$526 USD
View
A
Retailer 5
-
$933 NZD
$526 USD
View
A
Retailer 6
-
$1,189 NZD
$670 USD
View
A
Retailer 7
-
$1,462 NZD
€785 EUR
View
B+
Retailer 8
-
$1,469 NZD
$828 USD
View
A
Retailer 9
-
$1,534 NZD
£681 GBP
View
A
Retailer 10
-
$1,634 NZD
$921 USD
View
B+
Retailer 11
-
$2,259 NZD
$1,273 USD
View
Retailer 12
-
$2,409 NZD
$1,358 USD
View
Price last confirmed 44 days ago
B+
Retailer 13
-
$3,000 NZD
$1,691 USD
View
B
Retailer 14
-
$3,448 NZD
£1,530 GBP
View
Most Expensive
B
Brilliant Earth
18459169A · Oct 29
$4,418 NZD
$2,490 USD
View
14 more retailers have this diamond
Prices start from $752 NZDSave up to $3,666 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.50ct Round
$752 NZD